CVE-2026-46324: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use list_del_rcu for netlink hooks nft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need to use list_del_rcu(), this list can be walked by concurrent dumpers. Add a new helper and use it consistently.

Affected products

• Linux Linux Kernel: from 4.19.316, before 4.20 (fixed in 4.20); from 5.4.262, before 5.5 (fixed in 5.5); from 5.10.198, before 5.11 (fixed in 5.11); from 5.15.45, before 5.16 (fixed in 5.16); from 5.17.13, before 5.18 (fixed in 5.18); from 5.18.2, before 6.18.33 (fixed in 6.18.33); …

Published 2026-06-09. Last modified 2026-07-23.